import urllib

# str = "%7B%22gameConfig%22%3A%22%7B%5C%22m_fanType%5C%22%3A%5C%221%5C%22%2C%5C%22m_baozi%5C%22%3A%5C%221%5C%22%2C%5C%22m_fanMax%5C%22%3A%5C%223%5C%22%7D%22%2C%22startTime%22%3A%222019-05-11+12%3A00%3A00%22%2C%22endTime%22%3A%222019-05-15+12%3A00%3A00%22%2C%22gameId%22%3A1000%7D"
# result = urllib.parse.unquote(str)
# print(result)

s='%E5%B9%BF%E5%B7%9E'
s=urllib.parse.unquote(s)
print(s)